Question

The sensation of what color is produced when all cones are stimulated equally?

(a) White

(b) Black

(c) Yellow

(d) Purple

The question was posed to me in a job interview.

Question is from Neural Control and Coordination topic in division Neural Control and Coordination of Biology – Class 11

Answer 1

Right choice is (a) White

To explain: Each type of cone cell is responsive to different colors of light and various degrees of combinations give sensations of different colors. when all cones are stimulated equally, a sensation white light is perceived.